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Method and system for selectivly diverting current during charging of multiple batteries

a technology for charging multiple batteries and current, applied in the field of rechargeable batteries, can solve the problems of a large inconvenience for consumers, long charge times,

Active Publication Date: 2006-11-14
GOOGLE TECHNOLOGY HOLDINGS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This approach reduces the overall charge time by optimizing the charging current distribution, ensuring both batteries are charged quickly and efficiently, providing a backup power source when the primary battery is depleted.

Problems solved by technology

Lengthy charge times, however, are a major inconvenience to consumers.

Method used

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  • Method and system for selectivly diverting current during charging of multiple batteries
  • Method and system for selectivly diverting current during charging of multiple batteries

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Embodiment Construction

[0016]While the specification concludes with claims defining the features of the invention that are regarded as novel, it is believed that the invention will be better understood from a consideration of the following description in conjunction with the drawing figures, in which like reference numerals are carried forward.

[0017]As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which can be embodied in various forms. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure. Further, the terms and phrases used herein are not intended to be limiting but rather to provide an understandable description of the inven...

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Abstract

The invention concerns a method (300) for charging a set of batteries. The method includes the steps of charging (314) a first battery (116) with a charging current from a power supply (138), monitoring (316) a parameter of the first battery during the charging step and selectively diverting (318) at least a portion of the charging current used to charge the first battery to charge a second battery (118). The first and second batteries are charged simultaneously after the parameter of the first battery reaches a predetermined threshold. As an example, the parameter can be a battery voltage or a battery temperature rate.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]This invention relates in general to rechargeable batteries and more particularly to methods used to recharge such batteries.[0003]2. Description of the Related Art[0004]Portable electronic devices have become ubiquitous in today's society. These devices are generally powered by one or more rechargeable batteries. For example, most cellular telephones can be coupled to a charger that can charge the telephone's battery after several hours, depending on how badly the battery is depleted. Lengthy charge times, however, are a major inconvenience to consumers.SUMMARY OF THE INVENTION[0005]The present invention concerns a method for charging a set of batteries. The method includes the steps of charging a first battery with a charging current from a power supply, monitoring a parameter of the first battery during the charging step and selectively diverting to charge a second battery at least a portion of the charging current u...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): H01M10/44H01M10/46H02J7/00
CPCH02J7/0013H02J7/0022H02J7/04
Inventor PATINO, JOSEPH
Owner GOOGLE TECHNOLOGY HOLDINGS LLC